Microporus is a genus of fungi in the family Polyporaceae. The genus has a widespread distribution and, according to a 2008 estimate, contains 11 species. The genus name combines the Ancient Greek words Greek, Ancient (to 1453);: μικρός ("small") and Greek, Ancient (to 1453);: πόρος ("pore").
, Index Fungorum accepts 12 species in Microporus:
Seven novel diterpene molecules, microporenic acids A–G, were isolated from the cultures of an undescribed species of Microporus found in the Kakamega Forest of Kenya. These compounds have antimicrobial activity against several Gram-positive bacteria, and also inhibit the formation of biofilm by Staphylococcus aureus.